Nathan R. Grumdahl, CNP
NPI 1447989074ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Brooklyn Park, MN
Nurse Practitioner, Psych/Mental Health (CNP) with St Croix Psychiatric LLC, practicing in Brooklyn Park, Minnesota. Part D covered 268 prescriptions written in 2024, 95% of them generic.
Overview
| NPI | 1447989074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jun 8, 2022 |
| Last updated in NPPES | Aug 24, 2022 |
| Certified by provider | Aug 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 9441 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 268 · 331 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $10,073 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- St Croix Psychiatric LLCBrooklyn Park, MN · 45 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 psychiatric nurse practitioners in Brooklyn Park · All psychiatric nurse practitioners in Minnesota